C-820 Magnesia Ceramic vs. Boron Carbide
C-820 magnesia ceramic belongs to the oxide-based engineering ceramics classification, while boron carbide belongs to the non-oxide engineering ceramics. There are 10 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is C-820 magnesia ceramic and the bottom bar is boron carbide.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 2.7 | |
| 2.1 to 2.7 |
| Dielectric Constant (Relative Permittivity) At 1 MHz | 9.6 | |
| 6.4 |
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 240 to 460 |
| Flexural Strength, MPa | 53 | |
| 170 to 410 |
| Specific Heat Capacity, J/kg-K | 950 | |
| 950 |
| Stiffness to Weight: Axial, points | 21 | |
| 63 to 100 |
| Stiffness to Weight: Bending, points | 58 | |
| 91 to 100 |
| Thermal Conductivity, W/m-K | 8.0 | |
| 31 to 90 |
| Thermal Diffusivity, mm2/s | 3.1 | |
| 16 to 38 |
| Thermal Expansion, µm/m-K | 11 | |
| 4.5 to 5.6 |